Doctrine\DBAL\Driver\PDO\Exception SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo failed: No address associated with hostname

root@RosaCloud:/var/www/globalservers# php artisan voyager:install
Publishing the Voyager assets, database, and config files
Copied Directory [/vendor/tcg/voyager/publishable/database/seeds] To [/database/seeders]
Publishing complete.
Migrating the database tables into your application

Doctrine\DBAL\Driver\PDO\Exception

SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo failed: No address associated with hostname

at vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDO/Exception.php:18

 14▕ final class Exception extends PDOException
 15▕ {
 16▕     public static function new(\PDOException $exception): self
 17▕     {

解决方法：
.env 内的 DB_HOST=mysql 改为 DB_HOST=127.0.0.1